package com.lxg.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.LocaleResolver;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@Configuration
public class InterceptorConfig implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        //获取 loginUser 信息进行判断
        Object user = request.getSession().getAttribute("user");

        if(user == null){//未登录，返回登录页面
            request.setAttribute("msg","没有权限，请先登录");
            request.getRequestDispatcher("/first/login.html").forward(request,response);
            return false;
        }else{
            //登录，放行
            return true;
        }
    }

}
